Blender base



FIG. 1 is a front perspective view of the blender base;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for the blender base, as shown and described. 